Page 175 - Yamawa_European_Catalogue_YEU23

h stock standard, ) check stock EU, f check stock JP, m stock exhaustion

TCTR Ø Hole Ø Code THCHT LF LT THL LU LS DCON K LK NOF Type Stock Intro
UNC (tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
ANSI
GH2 1.8 1.83 Y86500 2.5P 1.772 - 0.276 0.472 - 0.141 0.11 0.187 2 002 f
No.2-56UNC
GH2 2.3 2.33 Y86501 2.5P 2.205 - 0.433 0.709 - 0.141 0.11 0.187 2 002 f SP
No.4-40UNC
GH2 2.6 2.64 Y86502 2.5P 2.205 - 0.433 0.709 - 0.141 0.11 0.187 3 002 f
ANSI
No.5-40UNC
GH3 2.8 2.83 Y86503 2.5P 2.205 - 0.512 0.787 - 0.141 0.11 0.187 3 002 f
No.6-32UNC
GH3 3.4 3.47 Y86504 2.5P 2.48 - 0.512 0.827 - 0.168 0.131 0.25 3 002 f
No.8-32UNC
SL
GH3 3.89 3.9 Y86505 2.5P 2.756 - 0.63 0.984 - 0.194 0.152 0.25 3 002 f
No.10-24UNC
GH3 5.1 5.19 Y86507 2.5P 3.15 - 0.748 1.181 - 0.255 0.191 0.312 3 002 f
1/4-20UNC
GH5 5.1 5.19 Y86508 2.5P 3.15 - 0.748 1.181 - 0.255 0.191 0.312 3 002 f
GH3 6.6 6.65 Y86512 2.5P 3.543 - 0.866 1.378 - 0.318 0.238 0.375 3 002 f
5/16-18UNC PO
GH3 8 8.07 Y86516 2.5P 3.937 - 0.945 1.535 - 0.381 0.286 0.437 3 002 f
3/8-16UNC
GH5 8 8.07 Y86517 2.5P 3.937 - 0.945 1.535 - 0.381 0.286 0.437 3 002 f
GH3 9.4 9.45 Y86520 2.5P 3.937 - 0.945 - - 0.323 0.242 0.406 3 014 f
7/16-14UNC
GH3 10.9 10.91 Y86524 2.5P 4.331 - 1.142 - - 0.367 0.275 0.437 3 014 f ST
1/2-13UNC
GH5 10.9 10.91 Y86525 2.5P 4.331 - 1.142 - - 0.367 0.275 0.437 3 007 f
TCTR Ø Hole Ø Code THCHT LF LT THL LU LS DCON K LK NOF Type Stock
(tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
UNF
ROLL
ANSI
GH3 4.1 4.12 Y86506 2.5P 2.756 - 0.63 0.984 - 0.194 0.152 0.25 3 002 f
No.10-32UNF
GH3 5.5 5.53 Y86509 2.5P 3.15 - 0.748 1.181 - 0.255 0.191 0.312 3 002 f
1/4-28UNF
GH4 5.5 5.53 Y86511 2.5P 3.15 - 0.748 1.181 - 0.255 0.191 0.312 3 002 f
CARBIDE
GH3 8.5 8.57 Y86518 2.5P 3.543 - 0.787 1.535 - 0.381 0.286 0.437 3 002 f
3/8-24UNF
GH3 11.5 11.54 Y86526 2.5P 3.937 - 0.866 - - 0.367 0.275 0.437 3 007 f
1/2-20UNF
LONG

HAND
TAPS

EG (STI)

SPECIAL
THREADS,
GAUGES

THREAD
MILLS

DIES

CENTER
DRILLS

Technical
info

The most suitable GH tap class to cut accurate 2B, 3B (UNJ) and 2B oversized internal threads tolerance, depends
on application conditions and work-piece materials. Yamawa GH class system offers a wide range of alternative
tap classes allowing each customer to select the most suitable one according to application requirement. 173
Check page 673 of Technical info for full details.